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GD32F303CGT6

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GigaDevice Semicon Beijing Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GD32F303CGT6

GigaDevice Semicon Beijing · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)

GD32F303CGT6 from GigaDevice Semicon Beijing, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VBAT power_in Power pin named VBAT in the LQFP48 pin definition table; the table gives no voltage limit for it.
2 PC13-TAMPER-RTC bidirectional GPIO PC13 by default, with alternate function TAMPER-RTC; the table does not mark this pin as 5 V tolerant.
3 PC14-OSC32IN bidirectional GPIO PC14 by default, with alternate function OSC32IN; the table does not mark this pin as 5 V tolerant.
4 PC15-OSC32OUT bidirectional GPIO PC15 by default, with alternate function OSC32OUT; the table does not mark this pin as 5 V tolerant.
5 OSCIN input Default function OSCIN (external oscillator input); can be remapped to PD0, which cannot be used for EXTI in this package.
6 OSCOUT output Default function OSCOUT (external oscillator output); can be remapped to PD1, which cannot be used for EXTI in this package.
7 NRST bidirectional Reset pin with default function NRST, shown as I/O in the pin table.
8 VSSA power_in Analog ground pin with default function VSSA.
9 VDDA power_in Analog supply pin with default function VDDA; the table gives no voltage limit for it.
10 PA0-WKUP bidirectional GPIO PA0 with alternate functions WKUP, USART1_CTS, ADC012_IN0, TIMER1_CH0, TIMER1_ETI and TIMER4_CH0.
11 PA1 bidirectional GPIO PA1 with alternate functions USART1_RTS, ADC012_IN1, TIMER1_CH1 and TIMER4_CH1.
12 PA2 bidirectional GPIO PA2 with alternate functions USART1_TX, ADC012_IN2, TIMER1_CH2, TIMER4_CH2, TIMER8_CH0 (CG devices) and SPI0_IO2.
13 PA3 bidirectional GPIO PA3 with alternate functions USART1_RX, ADC012_IN3, TIMER1_CH3, TIMER4_CH3, TIMER8_CH1 (CG devices) and SPI0_IO3.
14 PA4 bidirectional GPIO PA4 with alternate functions SPI0_NSS, USART1_CK, ADC01_IN4 and DAC_OUT0; remap SPI2_NSS, I2S2_WS.
15 PA5 bidirectional GPIO PA5 with alternate functions SPI0_SCK, ADC01_IN5 and DAC_OUT1.
16 PA6 bidirectional GPIO PA6 with alternate functions SPI0_MISO, ADC01_IN6, TIMER2_CH0 and TIMER12_CH0 (CG devices); remap TIMER0_BRKIN.
17 PA7 bidirectional GPIO PA7 with alternate functions SPI0_MOSI, ADC01_IN7, TIMER2_CH1 and TIMER13_CH0 (CG devices); remap TIMER0_CH0_ON.
18 PB0 bidirectional GPIO PB0 with alternate functions ADC01_IN8 and TIMER2_CH2; remap TIMER0_CH1_ON.
19 PB1 bidirectional GPIO PB1 with alternate functions ADC01_IN9 and TIMER2_CH3; remap TIMER0_CH2_ON.
20 PB2 bidirectional 5 V tolerant GPIO PB2 whose default function is PB2 and which also carries BOOT1.
21 PB10 bidirectional 5 V tolerant GPIO PB10 with alternate functions I2C1_SCL and USART2_TX; remap TIMER1_CH2.
22 PB11 bidirectional 5 V tolerant GPIO PB11 with alternate functions I2C1_SDA and USART2_RX; remap TIMER1_CH3.
23 VSS_1 power_in Ground pin VSS_1.
24 VDD_1 power_in Supply pin VDD_1; the table gives no voltage limit for it.
25 PB12 bidirectional 5 V tolerant GPIO PB12 with alternate functions SPI1_NSS, I2C1_SMBA, USART2_CK, TIMER0_BRKIN and I2S1_WS.
26 PB13 bidirectional 5 V tolerant GPIO PB13 with alternate functions SPI1_SCK, USART2_CTS, TIMER0_CH0_ON and I2S1_CK.
27 PB14 bidirectional 5 V tolerant GPIO PB14 with alternate functions SPI1_MISO, USART2_RTS, TIMER0_CH1_ON and TIMER11_CH0 (CG devices).
28 PB15 bidirectional 5 V tolerant GPIO PB15 with alternate functions SPI1_MOSI, TIMER0_CH2_ON, I2S1_SD and TIMER11_CH1 (CG devices).
29 PA8 bidirectional 5 V tolerant GPIO PA8 with alternate functions USART0_CK, TIMER0_CH0, CK_OUT0 and CTC_SYNC.
30 PA9 bidirectional 5 V tolerant GPIO PA9 with alternate functions USART0_TX and TIMER0_CH1.
31 PA10 bidirectional 5 V tolerant GPIO PA10 with alternate functions USART0_RX and TIMER0_CH2.
32 PA11 bidirectional 5 V tolerant GPIO PA11 with alternate functions USART0_CTS, CAN0_RX, USBDM and TIMER0_CH3.
33 PA12 bidirectional 5 V tolerant GPIO PA12 with alternate functions USART0_RTS, CAN0_TX, TIMER0_ETI and USBDP.
34 PA13 bidirectional 5 V tolerant GPIO PA13 whose default function is JTMS/SWDIO; remap PA13.
35 VSS_2 power_in Ground pin VSS_2.
36 VDD_2 power_in Supply pin VDD_2; the table gives no voltage limit for it.
37 PA14 bidirectional 5 V tolerant GPIO PA14 whose default function is JTCK/SWCLK; remap PA14.
38 PA15 bidirectional 5 V tolerant GPIO PA15 whose default function is JTDI, with alternate functions SPI2_NSS and I2S2_WS; remaps include TIMER1_CH0, TIMER1_ETI and SPI0_NSS.
39 PB3 bidirectional 5 V tolerant GPIO PB3 whose default function is JTDO, with alternate functions SPI2_SCK and I2S2_CK; remaps include TRACESWO, TIMER1_CH1 and SPI0_SCK.
40 PB4 bidirectional 5 V tolerant GPIO PB4 whose default function is NJTRST, with alternate function SPI2_MISO; remaps include TIMER2_CH0 and SPI0_MISO.
41 PB5 bidirectional GPIO PB5 (not marked 5 V tolerant in the table) with alternate functions I2C0_SMBA, SPI2_MOSI and I2S2_SD; remaps TIMER2_CH1 and SPI0_MOSI.
42 PB6 bidirectional 5 V tolerant GPIO PB6 with alternate functions I2C0_SCL and TIMER3_CH0; remaps USART0_TX and SPI0_IO2.
43 PB7 bidirectional 5 V tolerant GPIO PB7 with alternate functions I2C0_SDA and TIMER3_CH1; remaps USART0_RX and SPI0_IO3.
44 BOOT0 input Boot-mode input with default function BOOT0.
45 PB8 bidirectional 5 V tolerant GPIO PB8 with alternate functions TIMER3_CH2 and TIMER9_CH0 (CG devices); remaps I2C0_SCL and CAN0_RX.
46 PB9 bidirectional 5 V tolerant GPIO PB9 with alternate functions TIMER3_CH3 and TIMER10_CH0 (CG devices); remaps I2C0_SDA and CAN0_TX.
47 VSS_3 power_in Ground pin VSS_3.
48 VDD_3 power_in Supply pin VDD_3; the table gives no voltage limit for it.

Key specifications

Parameter Value
Manufacturer GigaDevice Semicon Beijing
Package LQFP-48(7x7)
Category Embedded Processors & Controllers
Pins 48

CAD (KiCad official)

  • Symbol: GD32F303CGT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: gd32f303cgt6-etched.step / gd32f303cgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32f303cgt6.step / gd32f303cgt6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: GigaDevice Semicon Beijing datasheet (91 pp, sha256 b051a816cf2b71d0, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF